In the Linux kernel, the following vulnerability has been resolved: powerpc/mm: Fix null-pointer dereference in pgtable_cache_add kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Ensure the allocation was successful by checking the pointer validity. CREATE(Triage):(User=admin) CVE-2023-52607 (https://nvd.nist.gov/vuln/detail/CVE-2023-52607)